root mean square value in python code example

Example 1: calculate root mean square error python

def rmse(predictions, targets):
    return np.sqrt(((predictions - targets) ** 2).mean())

Example 2: square root in python

def square_root(num):
  	return num**0.5
#prints out 4
print(square_root(16))
#prints out 10
print(square_root(100))